Efficient design that delivers excellent reflectivity and diffusion. White powder-coated steel housing. Wire cable hangers included with every fixture. Now features additional hanging holes for V-hangers that are included with every fixture. Hang horizontally or vertically. 47 inch fixture with 12 foot power cord and on/off switch allows for easy operation. Louvered for cool operation. High output lamps included actinic and high output blue t5s. Great for coral growth. Run on 120 volt power only.